Effect of Photoperiodism on Feeding and Defecation in Compost Earthworm Eudrilus eugeniae Journal title: Universal Journal of Environmental Research and Technology Authors: Sunitha N. Seenappa Subject(s): Environmental Sciences
Influence of external periodic and non-linear factors upon stability of economic systems Journal title: Проблеми економіки Authors: Elena Kostenko, Vladimir Kuznichenko Subject(s):